Flights
Insights
FAQs

Finnair flights from Bangkok Suvarnabhumi Airport to London (BKK - LON)

BKK — LON
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Bangkok to London on Finnair typically fly into London Heathrow and depart from Bangkok Suvarnabhumi. Select your dates above for pricing.

Finnair flights from Suvarnabhumi to London in 2026

Find detailed information about Finnair flights from Suvarnabhumi to London. Explore the options provided by Finnair to plan your journey from Suvarnabhumi to London. Data last updated 5 February 2026.

One-way from

฿23,096

Return from

฿27,240

Popular in

January

Cheapest in

November

Average price (all airlines)

฿28,348
Finnair
  • Finnair
  • 20/7
  • 2 total stops
  • 31h 35m total
  • Bangkok to London
Search Deals
Finnair
  • Finnair
  • 19/3-26/3
  • 2 total stops
  • 63h 50m total
  • Bangkok to London
Search Deals
Highest demand for flights from Bangkok Suvarnabhumi to London; 0% potential price increase.
Search Deals
Best time to find cheap flights from Bangkok Suvarnabhumi to London; 1% potential price drop.
Search Deals
Average price for all Bangkok Suvarnabhumi to London flights (one-way and round-trip).
Search Deals

  • How do most travelers feel about Finnair?

    Cheapflights users who travel with Finnair (a popular airline from Bangkok Suvarnabhumi Airport to London) have rated them a 7.6/10. This rating comes from 1,357 reviews. If you are looking to travel BKK-LON, search your dates above.

  • Can I get a flight from Bangkok Suvarnabhumi Airport to London on Finnair for under ฿28,474?

    Finnair offers 4 flights from Bangkok Suvarnabhumi Airport to London for under ฿28,474. Prices vary by date and time. To see all prices and select your dates, click here.

Find Finnair flight deals from Suvarnabhumi to London

Enter your travel dates to find the best prices.

Cheapest Finnair flights from Suvarnabhumi to London
Explore the most affordable Finnair flight options available from Suvarnabhumi to London. Find the lowest fares with prices last updated on 5 February 2026.

Thu 19/315:00
BKK
-
LHR
1 stop33h 00m
Finnair
Thu 26/316:15
LHR
-
BKK
1 stop30h 50m
Finnair
Deal found 1/2฿27,240
Fri 20/315:00
BKK
-
LHR
1 stop33h 00m
Finnair
Fri 27/316:15
LHR
-
BKK
1 stop38h 00m
Finnair
Deal found 3/2฿27,493
Fri 13/315:00
BKK
-
LHR
1 stop31h 15m
Finnair
Fri 27/316:15
LHR
-
BKK
1 stop38h 00m
Finnair
Deal found 3/2฿27,525

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Best time to book a flight from Suvarnabhumi to London

Have a flexible travel schedule? Discover the best time to fly to London from Suvarnabhumi with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Suvarnabhumi to London on another airline

Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on 5 February 2026.
Emirates flights from Bangkok Suvarnabhumi to London

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 5 February 2026.
Finnair
7.6
Good
1,357 reviews
Check prices
Overview

Food

6.7

Comfort

7.5

Boarding

7.7

Crew

8.2

Entertainment

6.9

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.